Queue Operations Using LinkedList in Java

import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Queue;


public class QueueOperations {

public static void main(String args[]){

Queue que=new LinkedList();

//Insert elements into Queue
que.offer(12);
que.offer(25);
que.offer(75);
que.offer(9);

System.out.println("Queue"+que);

//Queue Operations
System.out.println("Queue Peek the elmenet  "+que.peek());
System.out.println("Queue Remove Element "+que.poll());

System.out.println("isEmpty :?"+que.isEmpty());
}
}

Output:

Queue[12, 25, 75, 9]

Queue Peek the elmenet  12

Queue Remove Element 12

isEmpty :?false